 @media screen and (min-width: 1440px) {
     div#feedback {
         top: 230px;
         right: 20px;
         width: 110px;
         height: 155px;
         line-height: 15px;
         overflow: visible;
         padding: 5px 5px;
         border-radius: 5px;
         float: right;
         position: fixed !important;
         -moz-border-radius: 5px;
         -khtml-border-radius: 5px;
         -webkit-border-radius: 5px;
         border: 1px solid #8c8c8c;
         background: #c3c3c3;
     }
 }
 @media screen and (max-width: 1439px) {
     div#feedback {
         transition: all linear 0.5s;
         top: 230px;
         right: -60px;
         width: 110px;
         height: 155px;
         line-height: 15px;
         overflow: visible;
         padding: 5px 5px;
         border-radius: 5px;
         float: right;
         position: fixed !important;
         -moz-border-radius: 5px;
         -khtml-border-radius: 5px;
         -webkit-border-radius: 5px;
         border: 1px solid #8c8c8c;
         background: #c3c3c3;
     }
     div#feedback:hover {
         bottom: 50px;
         right: 10px;
         width: 110px;
         height: 155px;
         line-height: 15px;
         overflow: visible;
         padding: 5px 5px;
         border-radius: 5px;
         float: right;
         position: fixed !important;
         -moz-border-radius: 5px;
         -khtml-border-radius: 5px;
         -webkit-border-radius: 5px;
         border: 1px solid #8c8c8c;
         background: #c3c3c3;
     }
 }

 @media screen and (max-width: 1024px) {
     div#feedback {
         transition: all linear 0.5s;
         top: 230px;
         right: -85px;
         width: 110px;
         height: 155px;
         line-height: 15px;
         overflow: visible;
         padding: 5px 5px;
         border-radius: 5px;
         float: right;
         position: fixed !important;
         -moz-border-radius: 5px;
         -khtml-border-radius: 5px;
         -webkit-border-radius: 5px;
         border: 1px solid #8c8c8c;
         background: #c3c3c3;
     }
     div#feedback:hover {
         bottom: 50px;
         right: 10px;
         width: 110px;
         height: 155px;
         line-height: 15px;
         overflow: visible;
         padding: 5px 5px;
         border-radius: 5px;
         float: right;
         position: fixed !important;
         -moz-border-radius: 5px;
         -khtml-border-radius: 5px;
         -webkit-border-radius: 5px;
         border: 1px solid #8c8c8c;
         background: #c3c3c3;
     }
 }

    * html div#feedback {
        position: absolute;
        z-index: 300;
        top: expression(offsetParent.scrollTop+200);
        right: 20px;
        /*兼容IE6*/
    }

    #feedback a {
        text-decoration: none;
        color: #000;
    }

    #feedback_btn {
        text-align: center;
        -moz-border-radius: 5px;
        -khtml-border-radius: 5px;
        -webkit-border-radius: 5px;
        border-radius: 5px;
        border: 1px solid #dfdfdf;
        cursor: pointer;
        padding: 5px;
        margin: 5px;
        background: #2694d9;
        width: 87px;
        font-size: 12px;
    }

    #returntop {
        cursor: pointer;
        padding: 5px;
        margin: 5px;
        width: 85px;
        font-size: 12px;
    }

    #returntop img{
        width: 85px;
    }
